the discussions are due to feature the head of the cia william burns, his egyptian counterpart abbas kamel, israel s mossad chief david barnea, and qatar s prime minister sheikh mohammed bin abdul rahman al thani. the meeting is happening as israeli forces prepare to launch a ground offensive against hamas in rafah. earlier, us presidentjoe biden said the displaced palestinians were exposed and vulnerable, and called for their protection. there are some live pictures of a tent camp in rafah where many gazans are displaced. more than a million people are sheltering in the overcrowded city. in a moment we ll hear from our correspondent in cairo where those talks are expected to take place. but first, let s hear what our correspondent injerusalem, barbara plett usher, told us about israeli preparations for a ground offensive in rafah. there aren t any visible preparations. the israeli discussion is that it will go ahead, because they say they have to do that to win they sa